they have to study a lot,_____?A.don't you B.haven't they
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they have to study a lot,_____?A.don't you B.haven't they
have不是表示有的时候才借助于助动词Do?这里的意思不是他们要学一些?那为什么要用DO。
have不是表示有的时候才借助于助动词Do?这里的意思不是他们要学一些?那为什么要用DO。
they have to study a lot,_____?A.don't you B.haven't they
选择A
这里考察的是have to的反义疑问句,借助助动词don't
再问: have不是表示有的时候才借助于助动词Do?这里的意思不是他们要学一些?那为什么要用DO。
再答: 这里到底要不要借助助动词,其实是看have做的是什么词,如果have是构成完成时的,那么就直接haven't了,如果不是的,那就是普通的动词,都是要借助助动词do了,这个和变成一般疑问句和否定句是一样的
选择A
这里考察的是have to的反义疑问句,借助助动词don't
再问: have不是表示有的时候才借助于助动词Do?这里的意思不是他们要学一些?那为什么要用DO。
再答: 这里到底要不要借助助动词,其实是看have做的是什么词,如果have是构成完成时的,那么就直接haven't了,如果不是的,那就是普通的动词,都是要借助助动词do了,这个和变成一般疑问句和否定句是一样的
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